HF

Hiroki Fujita

Kyocera: 15 patents #103 of 3,732Top 3%
NI Ngk Insulators: 13 patents #244 of 2,083Top 15%
HH Hitachi High-Technologies: 9 patents #533 of 1,917Top 30%
DI Daikin Industries: 5 patents #682 of 2,957Top 25%
Ngk Spark Plug Co.: 5 patents #370 of 1,594Top 25%
OC Osaka Gas Co.: 3 patents #83 of 689Top 15%
DE Denso: 2 patents #4,986 of 11,792Top 45%
Mazda Motor: 2 patents #1,722 of 4,755Top 40%
HC Hitachi Construction Machinery Co.: 1 patents #701 of 1,234Top 60%
NC Nippon Electric Glass Co.: 1 patents #229 of 437Top 55%
KC Kcm: 1 patents #35 of 84Top 45%
TL Tokyo Electron Limited: 1 patents #3,538 of 5,567Top 65%
Overall (All Time): #42,499 of 4,157,543Top 2%
57
Patents All Time

Issued Patents All Time

Showing 51–57 of 57 patents

Patent #TitleCo-InventorsDate
6812821 Humidity sensor Tetsuo Yamada, Satoshi Sugaya, Kenji Kato, Noboru Ishida, Takafumi Oshima 2004-11-02
6533911 Device for measuring combustible-gas concentration in an exhaust gas Shoji Kitanoya, Kenji Kato, Tomohiro Fuma, Ryuji Inoue, Takafumi Oshima 2003-03-18
6337006 Lanthanum gallate sintered body Ryuji Inoue, Takafumi Oshima 2002-01-08
6337009 Gas sensor Norihiko Nadanami, Takafumi Oshima, Ryuji Inoue 2002-01-08
6042798 Method of desulfurization of hydrocarbons Masataka Masuda, Osamu Okada, Takeshi Tabata, Yasuhiro Hirai 2000-03-28
5685890 Process for steam reforming of hydrocarbons Osamu Okada, Susumu Takami, Tamotu Kotani, Satoshi Mori, Naoko Fukumura +1 more 1997-11-11
4985074 Process for producing a desulfurization agent Osamu Okada, Susumu Takami, Tamotu Kotani, Satoshi Mori, Naoko Fukumura +1 more 1991-01-15